氯化锡锭制备氧化锡晶体尺寸对光学带隙的影响

IF 1.6 4区地球科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Physics and Chemistry of Minerals Pub Date : 2025-08-27 DOI:10.1007/s00269-025-01328-6

Tri Arini, Latifa Hanum Lalasari, Yudi Nugraha Thaha, Januar Irawan, F. Firdiyono, Iwan Setiawan, Eko Sulistiyono, Agus Budi Prasetyo, Ariyo Suharyanto, Lia Andriyah, Eka Nurhidayah, Akhmad Herman Yuwono

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引用次数: 0

摘要

我们报道了光学带隙与SnO2晶体尺寸的依赖关系，SnO2与Al， Cl, Ca, Fe, Mg， Na和Si等杂质共同存在。以硫酸钠为前驱体，采用沉淀法制备了具有棒状和多面体纳米结构的SnO₂纳米颗粒。以锡锭为原料，采用火法产物氯化法制备了硫酸钠前驱体。采用x射线衍射（XRD）、x射线荧光（XRF）、透射电子能谱（TEM-EDS）、x射线光电子能谱（XPS）和紫外可见光谱（UV-Vis）对合成的sno2进行了表征。棒状和多面体sno2颗粒呈现四方晶体结构（空间群P4₂/mnm）。紫外可见光谱估计的带隙范围为3.58 ~ 3.70 eV。随着sno2晶粒尺寸的减小，光学带隙的增大存在量子约束效应。随着氯离子浓度的升高，纳米二氧化氮的光吸收发生蓝移。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Optical bandgap dependence on crystallite size of SnO2 synthesized by stannic chloride from chlorination tin ingot

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Optical bandgap dependence on crystallite size of SnO2 synthesized by stannic chloride from chlorination tin ingot

We report the dependence of the optical band gap on the crystallite size of SnO₂, co-occurring with impurities of Al, Cl, Ca, Fe, Mg, Na, and Si. SnO₂ nanoparticles with rod-like and polyhedral nanostructures were produced by precipitation methods using SnCl₄ as a precursor. The SnCl₄ precursor was synthesized through the chlorination of a pyrometallurgical product derived from tin ingots. The as-synthesized SnO₂ were characterized using X-ray diffraction (XRD), X-ray fluorescence (XRF), transmission electron microscopy with energy-dispersive spectroscopy (TEM-EDS), X-ray photoelectron spectroscopy (XPS), and UV–Vis’s spectroscopy. The rod-like and polyhedral SnO₂ particles exhibited a tetragonal crystal structure (space group P4₂/mnm). The band gap estimated from the UV–Vis spectra ranged from 3.58 to 3.70 eV. Quantum confinement effects were observed in the increase of the optical band gap as the crystallite size of SnO₂ decreased. A blue shift in the optical absorption was observed in SnO₂ nanoparticles with elevated chloride concentration.

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来源期刊

Physics and Chemistry of Minerals 地学-材料科学：综合

CiteScore

2.90

自引率

14.30%

发文量

审稿时长

3 months

期刊介绍： Physics and Chemistry of Minerals is an international journal devoted to publishing articles and short communications of physical or chemical studies on minerals or solids related to minerals. The aim of the journal is to support competent interdisciplinary work in mineralogy and physics or chemistry. Particular emphasis is placed on applications of modern techniques or new theories and models to interpret atomic structures and physical or chemical properties of minerals. Some subjects of interest are: -Relationships between atomic structure and crystalline state (structures of various states, crystal energies, crystal growth, thermodynamic studies, phase transformations, solid solution, exsolution phenomena, etc.) -General solid state spectroscopy (ultraviolet, visible, infrared, Raman, ESCA, luminescence, X-ray, electron paramagnetic resonance, nuclear magnetic resonance, gamma ray resonance, etc.) -Experimental and theoretical analysis of chemical bonding in minerals (application of crystal field, molecular orbital, band theories, etc.) -Physical properties (magnetic, mechanical, electric, optical, thermodynamic, etc.) -Relations between thermal expansion, compressibility, elastic constants, and fundamental properties of atomic structure, particularly as applied to geophysical problems -Electron microscopy in support of physical and chemical studies -Computational methods in the study of the structure and properties of minerals -Mineral surfaces (experimental methods, structure and properties)